despite reports that dzhokhar tsarnaev is still unable to commu communicate, charges against the 19-year-old could come as early as today. >>> and in west, texas, officials say everyone is now accounted for. 14 people were killed and 200 injured thursday when a tank at a fertilizer plant exploded. now it's back to "lockup." >>> due to mature subject matter, viewer discretion is advised. >>> the high walls and razor wire that surround a maximum security prison leave no doubt that this is a place where you pay your dues for terrible decisions. but even in these stark environments, inmates will still find ways to celebrate life's milestones. >> we've covered all kinds of events in prison, from an inmate's birthday to an anniversary to a wedding, even a funeral, and nothing symbolizes the futility of committing a major crime more than seeing an inmate die in prison. >> during our "extended stay" shoot at indiana state prison, we were told a memorial service was being held for an 81-year-old inmate who had been at the prison since 1979. when we arrived, we realized it was someone we knew. we met